With -nv specified, a variable to be created will have NON_VOLATILE attribute.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- cmd/efishell.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/cmd/efishell.c b/cmd/efishell.c index 7cd3ca489559..7cdff757b06c 100644 --- a/cmd/efishell.c +++ b/cmd/efishell.c @@ -249,11 +249,22 @@ static int _do_efi_set_var(int argc, char * const argv[]) unsigned long size = 0; u16 *var_name16, *p; efi_guid_t guid; + u32 attributes; efi_status_t ret;
if (argc == 1) return CMD_RET_SUCCESS;
+ attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS; + if (!strcmp(argv[1], "-nv")) { + attributes |= EFI_VARIABLE_NON_VOLATILE; + argc--; + argv++; + if (argc == 1) + return CMD_RET_SUCCESS; + } + var_name = argv[1]; if (argc == 2) { /* remove */ @@ -275,9 +286,7 @@ static int _do_efi_set_var(int argc, char * const argv[]) utf8_utf16_strncpy(&p, var_name, strlen(var_name) + 1);
guid = efi_global_variable_guid; - ret = efi_set_variable(var_name16, &guid, - EFI_VARIABLE_BOOTSERVICE_ACCESS | - EFI_VARIABLE_RUNTIME_ACCESS, size, value); + ret = efi_set_variable(var_name16, &guid, attributes, size, value); ret = (ret == EFI_SUCCESS ? CMD_RET_SUCCESS : CMD_RET_FAILURE); out: return ret; @@ -978,7 +987,7 @@ static char efishell_help_text[] = "\n" "efishell dumpvar [<name>]\n" " - get uefi variable's value\n" - "efishell setvar <name> [<value>]\n" + "efishell setvar [-nv] <name> [<value>]\n" " - set/delete uefi variable's value\n" " <value> may be "="..."", "=0x..." (set) or "=" (delete)\n" "efishell devices\n"